Re: (TFT) Energy decrease in explosions

[pvk@oz.net]

On Sun, April 27, 2008 9:13 pm, Rick Smith wrote:
> On Sun, 2008-27-04 at 22:38 -0500, Mark Tapley wrote:
>> <oversimplification alert>
>>
>> 	Explosions that create shock waves can do damage according to
>> the "overpressure" which is reasonable to measure in psi (and
>> decreases like 1/r^2 from the center of the blast, I think).
>
> An explosion expands in a sphere so I would expect
> it to decrease ~1/r^3.

Yes, except if the target and detonation are on the ground then the wave
reflects off the ground and adds to the wave strength. Also for damage,
flying objects can be more damaging than the compression wave itself.
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